Usages of umbuchen
Können wir den Termin umbuchen, falls der Besprechungsraum nicht frei ist?
Can we rebook the appointment if the meeting room is not free?
Wir haben den Kurs umbuchen müssen; die Chefin hat sofort zugestimmt.
We had to rebook the course; the boss agreed immediately.
Elon.io is an online learning platform
We have an entire course teaching German grammar and vocabulary.